Minterm tracing and reporting

Details Minterm tracing and reporting Minterm tracing and reporting

2011-07-12

2011-07-12

Kik, Phallaka (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Integrated circuit design processing

Logic design processing

C716S106000, C716S103000, C716S136000, C703S016000

Reexamination Certificate

active

07979819

ABSTRACT:
Disclosed are a method, a system and a computer program product for determining and reporting minterms to aid in implementing an engineering change order (ECO). A Minterm Tracing and Reporting (MTR) utility, which executes on a computer system, receives two or more timing points of an optimized netlist, where one or more of the two or more timing points are received from one or more of a user, a memory medium, and/or a network. For example, a timing point is a primary input, a primary output, or a latch point. After receiving the two or more timing points of the optimized netlist, the MTR utility determines two or more minterms of the optimized netlist. In determining the minterms, from one timing point to a next timing point: a polarity at the timing point may be determined, and a forward trace from the timing point to the next timing point is performed to determine the two or more minterms of the optimized netlist. In the forward trace from the timing point to the next timing point, the MTR utility determines two or more logical cones and one or more intersections of the logical cones. The MTR utility reports (e.g., communicates) each of the determined minterms, the determined polarities, and the one or more intersections of logical cones to one or more of a computer-executable application, a network, a memory medium, and/or a display.

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